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Mysterious Felin...There’s no denying that cats are excellent companions, but sometimes they do something that leaves you scratching your head in total confusion. If you’re used to dogs, cats' social interactions and the way they communicate can be very confusing. Yet it's these special behaviors, like affectionate head-butting and their penchant for cardboard boxes, that make us love them so much. To help you better understand your elusive feline, we rounded up 10 cat behaviors that people commonly consider mysterious. You’ll find that many of these habits aren’t weird at all for cats — they’re normal. Chatters at Birds The truth is, behaviorists aren’t exactly sure why cats sometimes emit a clacking sound when they see a cardinal or mourning dove fly by the window. Some behaviorists speculate that it has something to do with cats’ pent-up frustration of not being able to go outside and catch the bird. Others think the rapid-fire movement of the jaw is a Pavlovian instinct allowing kitties to prepare their muscles for the act of killing prey. (Thinkstock) More from VetStreet.com: How Old Is My Pet in People Years?Why Does My Cat... Bite Me When I Pet Him/Her?8 Plants That Are Poisonous to Cats and Dogs

The opinions expressed are solely those of the author and do not necessarily reflect the views of Comcast.

The opinions expressed are solely those of the author and do not necessarily reflect the views of Comcast.

Brings You "Pres...It’s what you’ve always wanted: a dead rodent or insect at your feet. Behaviorists have many theories about why your kitty insists on doing this. As a kitten, her mother might have brought back dead prey. You might actually be encouraging her behavior by paying her more attention when she offers you “presents.” Your generous feline might share her prey to thank you for feeding her, or she might simply be sharing her successful hunt with you, acknowledging that you are a member of her “friends” group. When feral cats are able to obtain more food than they need to eat, they may bring the extra kills back to other members of the colony, especially juveniles, kittens and nursing mothers. In other words, your cat may simply think you could use some help having enough to eat. While this is a gross habit from the human perspective, don’t punish your cat for doing what she does naturally. Instead, try to keep her indoors, or put a bell on her collar so that it is more difficult for her to catch prey. (iStockphoto) More from VetStreet.com: How Old Is My Pet in People Years?Why Does My Cat... Bite Me When I Pet Him/Her?8 Plants That Are Poisonous to Cats and Dogs

The opinions expressed are solely those of the author and do not necessarily reflect the views of Comcast.